Home / 52,818.92-72,890.68-28,945.08

Finding the Fourth Proportional to 52,818.92, 72,890.68 and 28,945.08

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Solution

The fourth proportional to 52,818.92, 72,890.68 and 28,945.08 is: 39,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,818.92 : 72,890.68 = 28,945.08 : x
  2. Step 2: Convert to fraction form
    52,818.92/72,890.68 = 28,945.08/x
  3. Step 3: Cross multiply
    52,818.92x = 72,890.68 × 28,945.08
  4. Step 4: Simplify right side
    52,818.92x = 2,109,826,491.49
  5. Step 5: Solve for x
    x = 2,109,826,491.49/52,818.92
  6. Step 6: Final answer
    x = 39,944.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.